MORTGAGE LOANS AND NOTES PAYABLE - Future Payments (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Future principal payment requirements on the outstanding mortgage loans and notes payable at year end
Less: Loan procurement costs, net	$ (2,637)	$ (2,800)
Total mortgage indebtedness	101,716	111,455
Mortgages
Future principal payment requirements on the outstanding mortgage loans and notes payable at year end
2016	27,324
2017	1,830
2018	1,934
2019	10,902
2020	12,009
2021 and thereafter	46,438
Total mortgage payments	100,437	109,993
Unamortized fair value adjustment	1,983	2,219
Less: Loan procurement costs, net	(704)	(757)
Total mortgage indebtedness	$ 101,716	$ 111,455